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Transmission Clearance Specifications

Gear Axial Clearance

Application Standard Clearance Metric Maximum Clearance Metric Standard Clearance English Maximum Clearance English
1st Gear 0.20-0.45 mm 0.50 mm 0.0079-0.0177 in 0.0197 in
2nd Gear 0.10-0.25 mm 0.30 mm 0.0039-0.0098 in 0.0118 in
3rd Gear 0.10-0.25 mm 0.30 mm 0.0039-0.0098 in 0.0118 in
5th Countershaft Gear 0.10-0.35 mm 0.40 mm 0.0039-0.0138 in 0.0157 in
Gear Radial Clearance

Application Standard Clearance Metric Maximum Clearance Metric Standard Clearance English Maximum Clearance English
1st Gear 0.020-0.073 mm 0.160 mm 0.0008-0.0029 in 0.0063 in
2nd Gear 0.015-0.068 mm 0.160 mm 0.0006-0.0027 in 0.0063 in
3rd Gear 0.015-0.068 mm 0.160 mm 0.0006-0.0027 in 0.0063 in
5th Countershaft Gear 0.015-0.068 mm 0.160 mm 0.0006-0.0027 in 0.0063 in
Reverse Idler Gear 0.040-0.082 mm 0.130 mm 0.0016-0.0032 in 0.0051 in
Output Shaft

Application Specification
Metric English
Runout - Maximum 0.06 mm 0.0024 in
Flange Thickness - Minimum 4.70 mm 0.1859 in
Output Shaft Bearing Journals - Minimum Diameter

Application Specification
Metric English
1st Gear 38.860 mm 1.5299 in
2nd Gear 46.860 mm 1.8449 in
3rd Gear 37.860 mm 1.4905 in
Countershaft Bearing Journals - Minimum Diameter

Application Specification
Metric English
5th Countershaft Gear Bearing 29.86 mm 1.1756 in
Synchronizer Blocker Ring to Gear - Minimum Clearance

Application Specification
Metric English
1st Gear 0.8 mm 0.031 in
2nd Gear 0.8 mm 0.031 in
3rd Gear 0.8 mm 0.031 in
4th Gear 0.8 mm 0.031 in
5th Gear 0.8 mm 0.031 in
Synchronizer Sleeve to Shift Fork - Maximum Clearance

Application Specification
Metric English
1st/2nd Gear 1.0 mm 0.039 in
3rd/4th Gear 1.0 mm 0.039 in
5th Gear 1.0 mm 0.039 in
Reverse Idler Gear 0.50 mm 0.0197 in
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